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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@user79451
But would the voltage reading in the Puck still be meaningful, proportional to the voltage of the Lipo?
You are saying diode right, not resistor?
Is there another way to read a 4.2-3.2 voltage off two pins of the Puck?